long knife gate valve 1. SERVICE TEMP' : -20°C~+600°C 2. SERVICE CONDITION : WATER, STEAM, DUST, HOT AIR, ETC 3. FLANGE RATING : ANSI , AWWA , DIN , JIS(KS) , ETC. 4. SIZE : 50A(2")~2000A(80") 5. FLANGE TYPE : FLANGE, LUG, WELDING TYPE 6. ACTUATOR : GEAR , MOTOR , AIR CYLINDER , CYLINDER , ETC.
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